Gravitation Quiz - CBSE Class 11 Science

Free practice quiz: Gravitation (CBSE Class 11 Science). 48 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is the force of attraction between any two objects with mass?

   1. Electromagnetic force
   2. Gravitational force
   3. Strong nuclear force
   4. Weak nuclear force
   Show answer

   Answer: B. Gravitational force

   Gravitation is the fundamental force of attraction between any two objects possessing mass.

2. Why does the moon orbit the Earth?

   1. Because of its speed
   2. Because of the Earth's magnetic field
   3. Because of the Earth's gravitational pull
   4. Because of solar winds
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   Answer: C. Because of the Earth's gravitational pull

   The Earth's gravity keeps the moon in its orbit.

3. How does the gravitational field strength change as you move further away from a planet?

   1. Increases
   2. Decreases
   3. Remains constant
   4. Changes erratically
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   Answer: B. Decreases

   Gravitational field strength follows an inverse square law with distance.

4. If an object is dropped from a height, what is the initial velocity?

   1. It depends on the object's mass
   2. It depends on the height
   3. Zero
   4. It depends on the air resistance
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   Answer: C. Zero

   When dropped, an object starts from rest.

5. How does the Earth's gravity affect the atmosphere?

   1. It holds the atmosphere in place
   2. It causes wind patterns
   3. It creates weather systems
   4. All of the above
   Show answer

   Answer: D. All of the above

   Gravity is crucial for maintaining and shaping Earth's atmosphere and weather.

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